/*-
* BSD LICENSE
- *
- * Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *
+ * Copyright(c) 2010-2017 Intel Corporation. All rights reserved.
* All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
* are met:
- *
- * * Redistributions of source code must retain the above copyright
+ *
+ * * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
* distribution.
- * * Neither the name of Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * version: DPDK.L.1.2.3-3
*/
#ifndef _RTE_LOG_H_
struct rte_logs {
uint32_t type; /**< Bitfield with enabled logs. */
uint32_t level; /**< Log level. */
- FILE *file; /**< Pointer to current FILE* for logs. */
+ FILE *file; /**< Output file set by rte_openlog_stream, or NULL. */
};
/** Global log informations */
#define RTE_LOGTYPE_PMD 0x00000020 /**< Log related to poll mode driver. */
#define RTE_LOGTYPE_HASH 0x00000040 /**< Log related to hash table. */
#define RTE_LOGTYPE_LPM 0x00000080 /**< Log related to LPM. */
+#define RTE_LOGTYPE_KNI 0x00000100 /**< Log related to KNI. */
+#define RTE_LOGTYPE_ACL 0x00000200 /**< Log related to ACL. */
+#define RTE_LOGTYPE_POWER 0x00000400 /**< Log related to power. */
+#define RTE_LOGTYPE_METER 0x00000800 /**< Log related to QoS meter. */
+#define RTE_LOGTYPE_SCHED 0x00001000 /**< Log related to QoS port scheduler. */
+#define RTE_LOGTYPE_PORT 0x00002000 /**< Log related to port. */
+#define RTE_LOGTYPE_TABLE 0x00004000 /**< Log related to table. */
+#define RTE_LOGTYPE_PIPELINE 0x00008000 /**< Log related to pipeline. */
+#define RTE_LOGTYPE_MBUF 0x00010000 /**< Log related to mbuf. */
+#define RTE_LOGTYPE_CRYPTODEV 0x00020000 /**< Log related to cryptodev. */
+#define RTE_LOGTYPE_EFD 0x00040000 /**< Log related to EFD. */
+#define RTE_LOGTYPE_EVENTDEV 0x00080000 /**< Log related to eventdev. */
/* these log types can be used in an application */
#define RTE_LOGTYPE_USER1 0x01000000 /**< User-defined log type 1. */
#define RTE_LOG_INFO 7U /**< Informational. */
#define RTE_LOG_DEBUG 8U /**< Debug-level messages. */
-/** The default log stream. */
-extern FILE *eal_default_log_stream;
-
/**
* Change the stream that will be used by the logging system.
*
* This can be done at any time. The f argument represents the stream
* to be used to send the logs. If f is NULL, the default output is
- * used, which is the serial line in case of bare metal, or directly
- * sent to syslog in case of linux application.
+ * used (stderr).
*
* @param f
* Pointer to the stream.
/**
* Set the global log level.
*
- * After this call, all logs that are lower or equal than level and
- * lower or equal than the RTE_LOG_LEVEL configuration option will be
- * displayed.
+ * After this call, logs with a level lower or equal than the level
+ * passed as argument will be displayed.
*
* @param level
* Log level. A value between RTE_LOG_EMERG (1) and RTE_LOG_DEBUG (8).
*/
void rte_set_log_level(uint32_t level);
+/**
+ * Get the global log level.
+ */
+uint32_t rte_get_log_level(void);
+
/**
* Enable or disable the log type.
*
*/
void rte_set_log_type(uint32_t type, int enable);
+/**
+ * Get the global log type.
+ */
+uint32_t rte_get_log_type(void);
+
/**
* Get the current loglevel for the message being processed.
*
*/
int rte_log_cur_msg_logtype(void);
-/**
- * Enable or disable the history (enabled by default)
- *
- * @param enable
- * true to enable, or 0 to disable history.
- */
-void rte_log_set_history(int enable);
-
-/**
- * Dump the log history to the console.
- */
-void rte_log_dump_history(void);
-
-/**
- * Add a log message to the history.
- *
- * This function can be called from a user-defined log stream. It adds
- * the given message in the history that can be dumped using
- * rte_log_dump_history().
- *
- * @param buf
- * A data buffer containing the message to be saved in the history.
- * @param size
- * The length of the data buffer.
- * @return
- * - 0: Success.
- * - (-ENOBUFS) if there is no room to store the message.
- */
-int rte_log_add_in_history(const char *buf, size_t size);
-
/**
* Generates a log message.
*
* The level argument determines if the log should be displayed or
* not, depending on the global rte_logs variable.
*
- * The preferred alternative is the RTE_LOG() function because debug logs may
- * be removed at compilation time if optimization is enabled. Moreover,
- * logs are automatically prefixed by type when using the macro.
+ * The preferred alternative is the RTE_LOG() because it adds the
+ * level and type in the logged string.
*
* @param level
* Log level. A value between RTE_LOG_EMERG (1) and RTE_LOG_DEBUG (8).
* - Negative on error.
*/
int rte_log(uint32_t level, uint32_t logtype, const char *format, ...)
+#ifdef __GNUC__
+#if (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ > 2))
+ __attribute__((cold))
+#endif
+#endif
__attribute__((format(printf, 3, 4)));
/**
* not, depending on the global rte_logs variable. A trailing
* newline may be added if needed.
*
- * The preferred alternative is the RTE_LOG() because debug logs may be
- * removed at compilation time.
+ * The preferred alternative is the RTE_LOG() because it adds the
+ * level and type in the logged string.
*
* @param level
* Log level. A value between RTE_LOG_EMERG (1) and RTE_LOG_DEBUG (8).
* - 0: Success.
* - Negative on error.
*/
-int rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap);
+int rte_vlog(uint32_t level, uint32_t logtype, const char *format, va_list ap)
+ __attribute__((format(printf,3,0)));
/**
* Generates a log message.
*
- * The RTE_LOG() is equivalent to rte_log() with two differences:
+ * The RTE_LOG() is a helper that prefixes the string with the log level
+ * and type, and call rte_log().
+ *
+ * @param l
+ * Log level. A value between EMERG (1) and DEBUG (8). The short name is
+ * expanded by the macro, so it cannot be an integer value.
+ * @param t
+ * The log type, for example, EAL. The short name is expanded by the
+ * macro, so it cannot be an integer value.
+ * @param ...
+ * The fmt string, as in printf(3), followed by the variable arguments
+ * required by the format.
+ * @return
+ * - 0: Success.
+ * - Negative on error.
+ */
+#define RTE_LOG(l, t, ...) \
+ rte_log(RTE_LOG_ ## l, \
+ RTE_LOGTYPE_ ## t, # t ": " __VA_ARGS__)
- * - RTE_LOG() can be used to remove debug logs at compilation time,
- * depending on RTE_LOG_LEVEL configuration option, and compilation
- * optimization level. If optimization is enabled, the tests
- * involving constants only are pre-computed. If compilation is done
- * with -O0, these tests will be done at run time.
- * - The log level and log type names are smaller, for example:
- * RTE_LOG(INFO, EAL, "this is a %s", "log");
+/**
+ * Generates a log message for data path.
+ *
+ * Similar to RTE_LOG(), except that it is removed at compilation time
+ * if the RTE_LOG_DP_LEVEL configuration option is lower than the log
+ * level argument.
*
* @param l
* Log level. A value between EMERG (1) and DEBUG (8). The short name is
* @param t
* The log type, for example, EAL. The short name is expanded by the
* macro, so it cannot be an integer value.
- * @param fmt
+ * @param ...
* The fmt string, as in printf(3), followed by the variable arguments
* required by the format.
- * @param args
- * The variable list of arguments according to the format string.
* @return
* - 0: Success.
* - Negative on error.
*/
-#define RTE_LOG(l, t, fmt, args...) ({ \
- if ((RTE_LOG_##l <= RTE_LOG_LEVEL) && \
- (RTE_LOG_##l <= rte_logs.level) && \
- (RTE_LOGTYPE_##t & rte_logs.type)) { \
- rte_log(RTE_LOG_##l, RTE_LOGTYPE_##t, \
- #t ": " fmt, ## args); \
- } \
-})
+#define RTE_LOG_DP(l, t, ...) \
+ (void)((RTE_LOG_ ## l <= RTE_LOG_DP_LEVEL) ? \
+ rte_log(RTE_LOG_ ## l, \
+ RTE_LOGTYPE_ ## t, # t ": " __VA_ARGS__) : \
+ 0)
#ifdef __cplusplus
}